text: // SoftEther VPN Source Code
  // Cedar Communication Module
  // 
  // SoftEther VPN Server, Client and Bridge are free software under GPLv2.
  // 
  // Copyright (c) 2012-2014 Daiyuu Nobori.
  // Copyright (c) 2012-2014 SoftEther VPN Project, University of Tsukuba, Japan.
  // Copyright (c) 2012-2014 SoftEther Corporation.
  // 
  // All Rights Reserved.
  // 
  // http://www.softether.org/
  // 
  // Author: Daiyuu Nobori
  // Comments: Tetsuo Sugiyama, Ph.D.
  // 
  // 
  // This program is free software; you can redistribute it and/or
  // modify it under the terms of the GNU General Public License
  // version 2 as published by the Free Software Foundation.
  // 
  // This program is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  // GNU General Public License for more details.
  // 
  // You should have received a copy of the GNU General Public License version 2
  // along with this program; if not, write to the Free Software
  // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  // 
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  // 
  // THE LICENSE AGREEMENT IS ATTACHED ON THE SOURCE-CODE PACKAGE
  // AS "LICENSE.TXT" FILE. READ THE TEXT FILE IN ADVANCE TO USE THE SOFTWARE.
  // 
  // 
  // THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN,
  // UNDER JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY,
  // MERGE, PUBLISH, DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS
  // SOFTWARE, THAT ANY JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS
  // SOFTWARE OR ITS CONTENTS, AGAINST US (SOFTETHER PROJECT, SOFTETHER
  // CORPORATION, DAIYUU NOBORI OR OTHER SUPPLIERS), OR ANY JURIDICAL
  // DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND OF USING, COPYING,
  // MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING, AND/OR
  // SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND
  // CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO
  // EXCLUSIVE JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO,
  // JAPAN. YOU MUST WAIVE ALL DEFENSES OF LACK OF PERSONAL JURISDICTION
  // AND FORUM NON CONVENIENS. PROCESS MAY BE SERVED ON EITHER PARTY IN
  // THE MANNER AUTHORIZED BY APPLICABLE LAW OR COURT RULE.
  // 
  // USE ONLY IN JAPAN. DO NOT USE IT IN OTHER COUNTRIES. IMPORTING THIS
  // SOFTWARE INTO OTHER COUNTRIES IS AT YOUR OWN RISK. SOME COUNTRIES
  // PROHIBIT ENCRYPTED COMMUNICATIONS. USING THIS SOFTWARE IN OTHER
  // COUNTRIES MIGHT BE RESTRICTED.
  // 
  // 
  // SOURCE CODE CONTRIBUTION
  // ------------------------
  // 
  // Your contribution to SoftEther VPN Project is much appreciated.
  // Please send patches to us through GitHub.
  // Read the SoftEther VPN Patch Acceptance Policy in advance:
  // http://www.softether.org/5-download/src/9.patch
  // 
  // 
  // DEAR SECURITY EXPERTS
  // ---------------------
  // 
  // If you find a bug or a security vulnerability please kindly inform us
  // about the problem immediately so that we can fix the security problem
  // to protect a lot of users around the world as soon as possible.
  // 
  // Our e-mail address for security reports is:
  // softether-vpn-security [at] softether.org
  // 
  // Please note that the above e-mail address is not a technical support
  // inquiry address. If you need technical assistance, please visit
  // http://www.softether.org/ and ask your question on the users forum.
  // 
  // Thank you for your cooperation.
  
  
  // BridgeUnix.h
  // Header of BridgeUnix.c
  
  #ifndef	BRIDGEUNIX_H
  #define	BRIDGEUNIX_H
  
  // Macro
  #ifndef SOL_PACKET
  #define	SOL_PACKET	263
  #endif
  #ifndef ifr_newname
  #define ifr_newname     ifr_ifru.ifru_slave
  #endif
  
  // Constants
  #define	UNIX_ETH_TMP_BUFFER_SIZE		(2000)
  #define	SOLARIS_MAXDLBUF				(32768)
  #define BRIDGE_MAX_QUEUE_SIZE			(4096*1500)
  
  // ETH structure
  struct ETH
  {
  	char *Name;					// Adapter name
  	char *Title;				// Adapter title
  	CANCEL *Cancel;				// Cancel object
  	int IfIndex;				// Index
  	int Socket;					// Socket
  	UINT InitialMtu;			// Initial MTU value
  	UINT CurrentMtu;			// Current MTU value
  	int SocketBsdIf;			// BSD interface operation socket
  	UCHAR MacAddress[6];		// MAC address
  
  #ifdef BRIDGE_PCAP
  	void *Pcap;					// Pcap descriptor
  	QUEUE *Queue;				// Queue of the relay thread
  	UINT QueueSize;				// Number of bytes in Queue
  	THREAD *CaptureThread;			// Pcap relay thread
  #endif // BRIDGE_PCAP
  
  #ifdef BRIDGE_BPF
  	UINT BufSize;				// Buffer size to read the BPF (error for other)
  #ifdef BRIDGE_BPF_THREAD
  	QUEUE *Queue;				// Queue of the relay thread
  	UINT QueueSize;				// Number of bytes in Queue
  	THREAD *CaptureThread;			// BPF relay thread
  #else // BRIDGE_BPF_THREAD
  	UCHAR *Buffer;				// Buffer to read the BPF
  	UCHAR *Next;
  	int Rest;
  #endif // BRIDGE_BPF_THREAD
  #endif // BRIDGE_BPF
  
  	VLAN *Tap;					// tap
  };
  
  #if defined( BRIDGE_BPF ) || defined( BRIDGE_PCAP )
  struct CAPTUREBLOCK{
  	UINT Size;
  	UCHAR *Buf;
  };
  #endif // BRIDGE_BPF
  
  
  // Function prototype
  void InitEth();
  void FreeEth();
  bool IsEthSupported();
  bool IsEthSupportedLinux();
  bool IsEthSupportedSolaris();
  bool IsEthSupportedPcap();
  TOKEN_LIST *GetEthList();
  TOKEN_LIST *GetEthListLinux();
  TOKEN_LIST *GetEthListSolaris();
  TOKEN_LIST *GetEthListPcap();
  ETH *OpenEth(char *name, bool local, bool tapmode, char *tapaddr);
  ETH *OpenEthLinux(char *name, bool local, bool tapmode, char *tapaddr);
  ETH *OpenEthSolaris(char *name, bool local, bool tapmode, char *tapaddr);
  ETH *OpenEthPcap(char *name, bool local, bool tapmode, char *tapaddr);
  bool ParseUnixEthDeviceName(char *dst_devname, UINT dst_devname_size, UINT *dst_devid, char *src_name);
  void CloseEth(ETH *e);
  CANCEL *EthGetCancel(ETH *e);
  UINT EthGetPacket(ETH *e, void **data);
  UINT EthGetPacketLinux(ETH *e, void **data);
  UINT EthGetPacketSolaris(ETH *e, void **data);
  UINT EthGetPacketPcap(ETH *e, void **data);
  UINT EthGetPacketBpf(ETH *e, void **data);
  void EthPutPacket(ETH *e, void *data, UINT size);
  void EthPutPackets(ETH *e, UINT num, void **datas, UINT *sizes);
  UINT EthGetMtu(ETH *e);
  bool EthSetMtu(ETH *e, UINT mtu);
  bool EthIsChangeMtuSupported(ETH *e);
  bool EthGetInterfaceDescriptionUnix(char *name, char *str, UINT size);
  bool EthIsInterfaceDescriptionSupportedUnix();
  
  #ifdef	UNIX_SOLARIS
  // Function prototype for Solaris
  bool DlipAttatchRequest(int fd, UINT devid);
  bool DlipReceiveAck(int fd);
  bool DlipPromiscuous(int fd, UINT level);
  bool DlipBindRequest(int fd);
  #endif	// OS_SOLARIS
  
  int UnixEthOpenRawSocket();
  
  #endif	// BRIDGEUNIX_H
  
  
  
  // Developed by SoftEther VPN Project at University of Tsukuba in Japan.
  // Department of Computer Science has dozens of overly-enthusiastic geeks.
  // Join us: http://www.tsukuba.ac.jp/english/admission/
  